Parents in the United States who want to vaccinate their young children against Covid-19 this fall may face a growing set of ...

Pfizer also said it is working to improve its existing vaccine formulation, developed jointly with Germany's BioNTech, based on the vaccine's reaction to new COVID-19 variants that arise.

Pfizer and its German partner BioNTech on Friday lost their bid to overturn a ruling that their COVID-19 vaccine infringed ...

Pfizer’s clinical trials in children 5 to 11 did not measure the vaccine’s effectiveness against COVID-19. Effectiveness was “never the intended primary endpoint,” Anderson said.

The US Centers for Disease Control and Prevention updated its recommendations for the Pfizer/BioNTech Covid-19 vaccine booster on Wednesday to include children as young as 12, at least five ...

The top public health officials during Trump's first term praised mRNA vaccines. In the second term, officials seem to be retreating from them.